Say the word dragon to three parents and you will get three different rooms.
One is picturing a round, sleepy thing curled at the foot of a crib. One is picturing a castle at night with something enormous circling the towers. One is picturing green: moss, ferns, a scaled back you almost miss in the leaves.
All three are dragon nursery ideas. They are not the same room, they do not share a palette, and taking art from one of them into another is how a wall ends up looking busy instead of finished.
So here are the three, named and kept apart, with the art that belongs in each. Then one wall plan at the end, because the height question is the one nobody answers honestly for a kids' room.
Look 1: Storybook Dragon
Powder blue for the sky. A sage green that reads as dragon rather than as houseplant. Dusty pink for the soft edges, warm cream for the paper, and one gold that does the work of a lamp.
This is the bedtime-companion end of the theme. The dragon is a friend who happens to be forty feet long.
This look is for the parent who wants a dragon themed nursery without the teeth. Nothing here startles a toddler at 6am, and none of it turns babyish when that same child is seven and still asks for dragons.
It is also the most forgiving of the three. Soft blues and sage sit happily next to almost any crib, any wood tone, and the beige rug you already own.
Look 2: Midnight Castle Dragon
Midnight navy for the sky. Deep teal for scale and shadow. Warm gold for the moon, the horns, and the light in the windows. Grey-green stone, and parchment cream where the glow lands.
This is the adventure end, and the trick is warmth. Dark is fine in a nursery. Cold is not.
This look is for the parent who was never going to do pastel and knew it at the paint display. It ages better than the other two, because a castle at night is still interesting to a nine-year-old.
Two pieces carry it. If you want more on that wall, pull from castle art rather than adding another dragon, so the room reads as one place instead of a lineup.
Dark walls are not required for this one. Navy art on a warm white wall reads just as deliberate, and it is far easier to undo when the theme eventually moves on.
A dragon themed nursery done in navy does need one warm light source in the room to answer the one in the art. A lamp with a cream shade is enough.
Look 3: Quiet Moss-and-Scale Dragon
Moss green, a deeper olive underneath it, soft lavender grey, warm parchment, and a whisper of dusty rose from the meadow flowers.
This is the theme whispered. From the doorway it reads as a forest room. You have to walk in to find the dragons.
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This look is for the household where one parent is fully in and the other agreed to it in the way people agree to things at 11pm. It is dragon nursery decor that a guest would describe as a woodland room.
This one is the easiest to grow. When the dragons stop being the point, the moss and the ferns are still a room that works.
One Wall Plan for All Three Dragon Nursery Ideas
Same plan for every look, because the right height for dragon nursery decor is about the people in the room, not the palette.
Over the crib, center the art at 48 inches from the floor. Not because of the baby. Because of you, sitting in the glider at 2am, looking at that wall more than anyone else in the house will.
Forty-eight inches lands the art in the seated parent's sightline. Measure to the center of the piece, or to the center of the whole arrangement if you are hanging a set.
Then check the bottom edge. It should sit clear above the crib rail with visible wall between the two, so the art is not growing out of the mattress.
If you are hanging a set, treat the whole group as one object. Measure to the center of the arrangement rather than to any single frame, and keep the gaps between pieces tighter than feels natural. Loose gaps are what turn a set into four separate decisions on one wall.
Over the dresser, the number does not change. Still 48 inches to the center. The art will feel closer to the furniture there, which is correct, and it keeps both walls in agreement instead of stair-stepping around the room.
Later, when it becomes their room, the center comes down. A child looking at art standing up has eyes well below yours in the glider, so 48 drops toward 40 inches. Down, never up. That is the one adjustment this plan ever needs.
You will find a 57-inch rule all over the internet. It is a gallery standard built for adults walking past a wall, and it is wrong for a kids' room. At 57 inches the art floats, the crib looks stranded underneath it, and your child never once looks at it.
All nine pieces from the three looks

Moonlit Dragon Bond
A big dragon and a small one nose to nose under a crescent moon.
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Starlight Sentinel
A dragon coiled on a stone tower under a navy sky and gold moon.
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The Dragon's Rest
A dragon curled around someone sleeping, in moss and lavender.
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Starlight Forest Dragon
Moss, ferns, and a bird small enough to perch on its nose.
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The whole plan is two numbers and one rule about which direction they move, which is exactly the kind of thing worth writing down before you are standing on a stool holding a nail. Knowing your numbers first is the difference between hanging art once and patching the wall twice.
Pick the lane before you pick the print. Most dragon nursery ideas fail the same way, by trying to be soft and epic and quiet all at once, and they start working the moment you admit which of the three you were picturing the whole time.